1. Clinical Training Center Juntendo University Faculty of Medicine Tokyo Japan
2. Department of Neurology Kurume University School of Medicine Fukuoka Japan
3. Department of Obstetrics and Gynecology Juntendo University Faculty of Medicine Tokyo Japan
4. Department of Obstetrics and Gynecology Juntendo Nerima Hospital Tokyo Japan
5. Department of Neurology Juntendo University Faculty of Medicine Tokyo Japan